Exposure control of image input apparatus
US7583312B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 16, 2004 |
| Grant date | Sep 1, 2009 |
| Priority date | — |
| Expiry date | Aug 1, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/75
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image input apparatus that includes a solid-state image sensing device having a plurality of pixels; a shutter having a front curtain and a rear curtain for opening and blocking an optical path to the solid-state image sensing device; a shutter-curtain sensor that senses passage of the front and rear curtains at a plurality of positions; and a reset unit that resets pixels of the solid-state image sensing device successively before the sensor senses passage of the rear curtain upon elapse of a prescribed period of time after the sensor senses passage of said front curtain.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.